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deltro.jp screenshot

Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

deltro.jp

DELTRO INC.

Page Load Speed

4.8 sec in total

First Response

772 ms

Resources Loaded

3.9 sec

Page Rendered

143 ms

deltro.jp screenshot

About Website

Welcome to deltro.jp homepage info - get ready to check DELTRO best content for Japan right away, or after learning these important things about deltro.jp

DELTRO was created by Art Director Masanori Sakamoto and Technical Director Ken Murayama in 2009, Deltro Inc. has provided numerous companies with on-screen media art direction, design, and programmin...

Visit deltro.jp

Key Findings

We analyzed Deltro.jp page load time and found that the first response time was 772 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

deltro.jp performance score

0

Network Requests Diagram

deltro.jp

772 ms

normalize.min.css

356 ms

main.min.css

359 ms

modernizr.min.js

358 ms

jquery.min.js

530 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 98% of them (78 requests) were addressed to the original Deltro.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Deltro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 385.1 kB (19%)

Content Size

2.0 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deltro.jp main page is 2.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 152.0 kB

  • Original 166.5 kB
  • After minification 152.2 kB
  • After compression 14.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 152.0 kB or 91% of the original size.

Image Optimization

-7%

Potential reduce by 113.4 kB

  • Original 1.6 MB
  • After minification 1.5 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. DELTRO images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 95.9 kB

  • Original 166.2 kB
  • After minification 164.7 kB
  • After compression 70.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 95.9 kB or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 23.8 kB

  • Original 28.3 kB
  • After minification 28.3 kB
  • After compression 4.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Deltro.jp needs all CSS files to be minified and compressed as it can save up to 23.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (6%)

Requests Now

77

After Optimization

72

  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DELTRO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

deltro.jp

deltro.jp

772 ms

normalize.min.css

normalize.min.css

356 ms

main.min.css

main.min.css

359 ms

modernizr.min.js

modernizr.min.js

358 ms

jquery.min.js

jquery.min.js

530 ms

plugins.js

plugins.js

343 ms

dltrlib.js

dltrlib.js

349 ms

main.js

main.js

512 ms

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241 ms

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317 ms

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339 ms

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462 ms

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632 ms

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801 ms

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526 ms

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789 ms

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663 ms

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710 ms

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955 ms

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989 ms

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883 ms

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1271 ms

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1081 ms

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1159 ms

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1254 ms

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1438 ms

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1730 ms

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1618 ms

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1611 ms

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1618 ms

1677 ms

analytics.js

analytics.js

70 ms

1613 ms

collect

collect

12 ms

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1590 ms

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1820 ms

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1528 ms

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1488 ms

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1386 ms

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1366 ms

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1403 ms

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1466 ms

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1647 ms

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1376 ms

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1395 ms

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1381 ms

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1291 ms

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1278 ms

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1238 ms

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1267 ms

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1299 ms

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1272 ms

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1239 ms

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1233 ms

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1253 ms

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1171 ms

SEO Factors

deltro.jp SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deltro.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Deltro.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

deltro.jp

Open Graph data is detected on the main page of DELTRO. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: